Accounts Receivable (Schedule of Changes in Allowance for Credit Losses for Accounts Receivable) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable expected credit losses, beginning balance	$ (1,719)
Charges	(900)
Currency translation	(88)
Other	83
Accounts receivable expected credit losses, ending balance	(3,807)
Cumulative Effect, Period of Adoption, Adjustment
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable expected credit losses, beginning balance	(1,183)
Specific Customer Reserves
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable expected credit losses, beginning balance	(1,719)
Charges	(43)
Currency translation	(42)
Other	106
Accounts receivable expected credit losses, ending balance	(1,742)
Specific Customer Reserves | Cumulative Effect, Period of Adoption, Adjustment
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable expected credit losses, beginning balance	(44)
Incremental Expected Credit Losses
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable expected credit losses, beginning balance	0
Charges	(857)
Currency translation	(46)
Other	(23)
Accounts receivable expected credit losses, ending balance	(2,065)
Incremental Expected Credit Losses | Cumulative Effect, Period of Adoption, Adjustment
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable expected credit losses, beginning balance	$ (1,139)